About the Author
Umer Khan [co-author and technical reviewer] is the Senior Director of IT Infrastructure at Broadcom Corporation, the world's largest fabless semiconductor company. Umer and his team have responsibility for the research, design, implementation, and support of Broadcom's global IT infrastructure, including the compute farm, network, telecommunications, Windows and UNIX servers/services, engineering tools/licensing, storage, messaging, desktop/laptop, thin client, and mobile technologies. Umer has served as an author, editor, and reviewer for several technical publications related to networking, security, and UNIX, and his "Cisco Security Specialist's Guide to PIX Firewalls" book became a best-seller in the industry. Umer has a strong passion for technology and its applications. He holds numerous IT certifications (including the CCIE) and has three US patents pending related to networking technologies. Umer received his Bachelor's degree in Computer Engineering from the Illinois Institute of Technology, and his MBA from the Wharton School of the University of Pennsylvania.
Technical editor and co-author Charles Riley (CCNP, CSS1, CISSP, CCSA, MCSE, CNE-3) is a Network Engineer with a long tenure in the networking security field. Charles has co-authored several books including Syngress Publishing's Configuring Cisco Voice Over IP, Second Edition (ISBN: 1-931836-64-7). He has designed and implemented robust networking solutions for large Fortune 500 and privately held companies. He started with the U.S. Army at Fort Huachuca, AZ, eventually finishing his Army stretch as the Network Manager of the Seventh Army Training Command in Grafenwoehr, Germany. Currently Charles is employed as a Network Security Engineer for Hypervine in Kansas, where he audits and hardens the existing security of customers, as well as deploying new security architectures and solutions. Charles holds a bachelor's degree from the University of Central Florida.